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GATE | GATE CS 2010 | Question 43

Which of the following functional dependencies hold for relations R(A, B, C) and S(B, D, E):
B -> A
A -> C
The relation R contains 200 tuples and the rel ation S contains 100 tuples. What is the maximum number of tuples possible in the natural join of R and S (R natural join S)

(A)

100

(B)

200

(C)

300

(D)

2000

Answer

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